Definition of fertile adjective from the Oxford Advanced American Dictionary

     

    fertile

     adjective
    adjective
    NAmE//ˈfərt̮l//
     
     
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  1. 1(of land or soil) that plants grow well in a fertile region opposite infertile
  2. 2(of people, animals, or plants) that can produce babies, young animals, fruit, or new plants The treatment has been tested on healthy fertile women under the age of 35. opposite infertile
  3. 3[usually before noun] that produces good results; that encourages activity a fertile partnership The region at the time was fertile ground for revolutionary movements (= there were the necessary conditions for them to develop easily).
  4. 4[usually before noun] (of a person's mind or imagination) that produces a lot of new ideas the product of a fertile imagination compare sterile
See the Oxford Advanced Learner's Dictionary entry: fertile